FJC Air Conditioning Products 2445 1-Quart DyEstercool Oil. Contains FJC Universal Fluorescent Leak Detection Dye. Compatible with R134a and R12. Compatible with Mineral, Ester, Paraffin and PAG Oil. Can be detected using any standard UV light. Saves time over existing methods of dye injection. Attention: A partial charge of DyEstercool Oil will not provide enough dye for proper fluorescing. Only a full system charge during normal service will provide maximum fluorescing for the mobile A/C system. A partial charge may be added to a system which already contains Fluorescent Dye.
FJC Air Conditioning Products